AVBH: Asymmetric Learning to Hash with Variable Bit Encoding

Figure 3

Comparison of the precision-recall experiment of different bits encoding under SIFT: (a) SIFT, 16 bit; (b) SIFT, 32 bit; (c) SIFT, 64 bit; (d) SIFT, 128 bit.

(a)

(b)

(c)

(d)